Cosmetics giant Maybelline markets Superstay 24 lipstick, which is supposed to be more comfortable, withstand heat and humidity, and go 24 hours without needing a transfer. Some customers decided that, despite the advertising, the lipstick did not last a full 24 hours without transfer; so they sued Maybelline claiming that it had violated various

Today, the United States Supreme Court hears oral argument in Concepcion v. AT&T, a case on appeal from the Ninth Circuit concerning whether the Federal Arbitration Act preempts states like California from requiring arbitration clauses to allow for classwide arbitration. (The venerable SCOTUSBlog has an excellent roundup of the issues and briefing.)

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